Abstract
In this paper, the problem of epileptiform activity in EEG of rats before and after Traumatic Brain Injury is considered. Experts in neurology performed a manual markup of signals as Epileptiform Discharges and Sleep Spindles. A proprietary Event Detection Algorithm based on time-frequency analysis of wavelet spectrograms was created. Feature space from PSD and Frequency of a detected event was created, and each feature was assessed for importance of epileptic activity prediction. Resulted predictors were used for training logistic regression model, which estimated features weights in probability of epilepsy function. Validation of proposed model was done on Monte-Carlo simulation of cross-validations. It was showed that the accuracy of prediction is around 80%. Proposed Epilepsy Prediction Model, as well as Event Detection Algorithm, can be applied to identification of epileptiform activity in long term records of rats and analysis of disease dynamics.
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Konstantin Obukhov. Born in 1993. PhD student at Moscow Institute of Physics and Technology. Author of 23 scientific publications. Area of interest: information technologies, machine learning, biomedical signal processing.
Ivan Kershner. Born in 1992. Graduated from Moscow Institute of Physics and Technology in 2010. PhD student at Kotel’nikov Institute of Radio-Engineering and Electronics RAS. Author of 15 scientific publications. Area of interest: signal and image processing, information technologies.
Il’ya Komoltsev. Born in 1991. Graduated from Pirogov Russian National Research Medical University in 2015. Junior research fellow at Institute of Higher Nervous Activity and Neurophysiology, RAS. Area of interest: neurophysiology, EEG, traumatic brain injury.
Yurii Obukhov. Born in 1950. Graduated from Moscow Institute of Physics and Technology in 1974. Since 1982 holds PhD and 1992–Doctor of Sciences in physics and applied mathematics. Chief scientific officer and a Head of laboratory at Kotel’nikov Institute of Radio-Engineering and Electronics RAS. Author of more than 150 scientific publications. Area of interest: signal processing and analysis, information systems.
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Obukhov, K., Kersher, I., Komoltsev, I. et al. Epileptiform Activity Detection and Classification Algorithms of Rats with Post-traumatic Epilepsy. Pattern Recognit. Image Anal. 28, 346–353 (2018). https://doi.org/10.1134/S1054661818020153
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DOI: https://doi.org/10.1134/S1054661818020153